0955 GMT March 23, 2018
The eighth Shia Imam was martyred after being poisoned by the Abbasid Caliph Ma’mun in the year 818 CE, presstv.com reported.
Custodians of Imam Reza's holy shrine hold candles on the eve of his martyrdom anniversary in Mashahd, Iran, November 18, 2017. (IRNA)
Mourners perform religious rituals on the occasion of the martyrdom anniversary of the eighth Shia Imam, Ali ibn Musa al-Reza (PBUH) in Mashhad, Iran, November 19, 2017. (IRNA)